#OnThisDay June 13, 1938: Nobel Prize-winning Physicist Charles-Édouard Guillaume, who created Invar and Elinvar, dies in Sèvres, France. His materials revolutionized watch balances and springs. #Fleurier #Invar #Neuchatel

Word Search Puzzle 423

Word List : #savories #betread #anginas #seraphim #spath #casaques #scenting #fantail #hepialid #invar #dates #drepane #dulotic #toheroa #phylaxis #resumers #snorer #sylvan

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#OnThisDay February 15, 1861: Physicist Charles-Édouard Guillaume is born in Fleurier. He would win the Nobel Prize for the discovery of the properties of nickel-iron alloys like Invar, which does not expand or contract and revolutionized watch balance wheels. #Fleurier #Invar #Neuchatel